Fertility & birth rates in Australia and Bulgaria

Fertility rate in Australia vs Bulgaria chart

According to the latest available data on birth rates, the fertility rate in Australia was 1.5 children per woman in 2023, compared to 1.81 in Bulgaria in 2023. The replacement level is considered to be 2.1 children per woman.

Check Australia vs Bulgaria population clock for a dynamic visualization of the changing population.

The chart below showcases historical changes in the birth rates.

Table

Year	Fertility rate
	Australia	Bulgaria
1960	3.45	2.31
1961	3.54	2.29
1962	3.44	2.24
1963	3.33	2.21
1964	3.15	2.19
1965	2.98	2.09
1966	2.88	2.03
1967	2.85	2.02
1968	2.89	2.27
1969	2.89	2.27
1970	2.86	2.17
1971	2.96	2.1
1972	2.74	2.03
1973	2.49	2.15
1974	2.4	2.29
1975	2.15	2.23
1976	2.06	2.24
1977	2.01	2.21
1978	1.95	2.15
1979	1.91	2.16
1980	1.89	2.05
1981	1.94	2
1982	1.93	2.01
1983	1.92	2.01
1984	1.84	2.01
1985	1.92	1.97
1986	1.87	2.02
1987	1.85	1.96
1988	1.83	1.97
1989	1.84	1.9
1990	1.9	1.82
1991	1.85	1.66
1992	1.89	1.55
1993	1.86	1.46
1994	1.84	1.37
1995	1.82	1.23
1996	1.8	1.23
1997	1.78	1.09
1998	1.76	1.11
1999	1.76	1.23
2000	1.76	1.26
2001	1.74	1.21
2002	1.76	1.23
2003	1.75	1.26
2004	1.77	1.33
2005	1.81	1.37
2006	1.91	1.44
2007	1.96	1.49
2008	1.98	1.56
2009	1.97	1.66
2010	1.93	1.57
2011	1.93	1.51
2012	1.92	1.5
2013	1.86	1.54
2014	1.83	1.62
2015	1.81	1.64
2016	1.75	1.67
2017	1.74	1.71
2018	1.74	1.73
2019	1.66	1.79
2020	1.58	1.77
2021	1.7	1.8
2022	1.63	1.78
2023	1.5	1.81
2024	1.5	1.81
2025	1.5	1.8
2026	1.5	1.8
2027	1.5	1.8
2028	1.51	1.8
2029	1.5	1.79
2030	1.51	1.79
2031	1.5	1.79
2032	1.5	1.79
2033	1.5	1.79
2034	1.5	1.79
2035	1.5	1.78
2036	1.5	1.78
2037	1.5	1.78
2038	1.5	1.77
2039	1.5	1.77
2040	1.5	1.77
2041	1.5	1.77
2042	1.5	1.77
2043	1.5	1.76
2044	1.5	1.76
2045	1.5	1.76
2046	1.5	1.76
2047	1.5	1.76
2048	1.5	1.76
2049	1.5	1.76
2050	1.5	1.76

Children 0-14 years as share of population

Table

Year	Share of people 0-14 years old
	Australia	Bulgaria
1960	30.2%	26.1%
1961	30.2%	25.8%
1962	30.1%	25.4%
1963	29.9%	25.1%
1964	29.8%	24.7%
1965	29.6%	24.2%
1966	29.5%	23.8%
1967	29.3%	23.4%
1968	29.1%	23.2%
1969	28.9%	23%
1970	28.8%	22.8%
1971	28.7%	22.6%
1972	28.5%	22.4%
1973	28.2%	22.3%
1974	27.9%	22.2%
1975	27.5%	22.3%
1976	27%	22.3%
1977	26.5%	22.2%
1978	26.1%	22.2%
1979	25.6%	22.1%
1980	25.3%	22.1%
1981	25%	22.1%
1982	24.7%	22.1%
1983	24.4%	22%
1984	24%	21.8%
1985	23.6%	21.6%
1986	23.1%	21.4%
1987	22.7%	21.3%
1988	22.4%	21.1%
1989	22.2%	20.8%
1990	22%	20.3%
1991	21.9%	19.8%
1992	21.8%	19.3%
1993	21.7%	18.8%
1994	21.7%	18.3%
1995	21.5%	17.9%
1996	21.4%	17.4%
1997	21.2%	17%
1998	21.1%	16.5%
1999	20.9%	16.1%
2000	20.8%	15.7%
2001	20.6%	15.2%
2002	20.4%	14.8%
2003	20.2%	14.4%
2004	20%	14%
2005	19.8%	13.7%
2006	19.6%	13.5%
2007	19.4%	13.4%
2008	19.3%	13.3%
2009	19.2%	13.4%
2010	19.1%	13.5%
2011	19%	13.5%
2012	18.9%	13.6%
2013	18.9%	13.7%
2014	18.9%	13.8%
2015	18.9%	13.9%
2016	18.9%	14%
2017	18.8%	14.2%
2018	18.8%	14.3%
2019	18.7%	14.4%
2020	18.6%	14.4%
2021	18.4%	14.5%
2022	18.2%	14.5%
2023	18%	14.5%
2024	17.8%	14.5%
2025	17.7%	14.4%
2026	17.5%	14.3%
2027	17.4%	14.3%
2028	17.2%	14.2%
2029	17%	14.1%
2030	16.9%	14%
2031	16.7%	14%
2032	16.6%	13.9%
2033	16.5%	13.8%
2034	16.4%	13.8%
2035	16.3%	13.7%
2036	16.2%	13.7%
2037	16.1%	13.7%
2038	16%	13.6%
2039	15.9%	13.6%
2040	15.9%	13.6%
2041	15.8%	13.6%
2042	15.8%	13.6%
2043	15.7%	13.6%
2044	15.7%	13.6%
2045	15.7%	13.6%
2046	15.7%	13.7%
2047	15.7%	13.7%
2048	15.7%	13.7%
2049	15.7%	13.8%
2050	15.7%	13.8%

Children aged 0-14 make up 17.8% of the population in Australia and 14.5% in Bulgaria in 2024, compared to 22% and 20.3% respectively in 1990.

Demographics of Australia and Bulgaria compared.

Natural population change in Australia vs Bulgaria by year

For the past 10 years, the annual natural population change (excluding migration) has been +0.56% in Australia and -0.79% in Bulgaria. The chart below illustrates the comparison of the absolute yearly changes resulting from births and deaths.

Table

Year	Population change due to births and deaths
	Australia	Bulgaria
1960	141,816	76,314
1961	150,955	75,460
1962	143,943	64,104
1963	140,161	66,241
1964	128,420	66,783
1965	122,990	58,249
1966	126,996	54,504
1967	126,249	49,861
1968	132,099	69,468
1969	143,477	63,256
1970	145,081	61,125
1971	165,593	52,925
1972	155,488	47,169
1973	136,476	57,760
1974	128,996	64,223
1975	123,648	54,941
1976	115,070	56,055
1977	117,793	47,543
1978	116,299	44,070
1979	116,112	40,599
1980	117,536	30,129
1981	125,356	29,341
1982	126,030	24,077
1983	130,844	21,455
1984	123,077	20,610
1985	143,674	11,649
1986	123,342	16,125
1987	128,484	8,971
1988	127,298	9,879
1989	127,789	5,326
1990	143,347	-3,487
1991	138,273	-14,675
1992	139,829	-18,789
1993	137,551	-24,569
1994	131,761	-32,086
1995	131,436	-42,030
1996	125,751	-45,159
1997	121,592	-58,185
1998	120,949	-52,844
1999	118,517	-39,411
2000	119,882	-41,668
2001	117,575	-44,050
2002	116,971	-46,240
2003	118,325	-44,319
2004	115,610	-40,128
2005	129,132	-42,124
2006	132,931	-39,526
2007	154,124	-37,727
2008	155,119	-32,967
2009	160,518	-26,800
2010	158,628	-34,759
2011	156,380	-37,477
2012	161,408	-40,183
2013	159,584	-37,948
2014	154,940	-41,027
2015	150,041	-44,699
2016	152,403	-42,744
2017	150,015	-45,583
2018	157,269	-46,304
2019	136,808	-46,317
2020	133,376	-65,507
2021	138,701	-90,452
2022	111,862	-62,065
2023	103,945	-43,837

Maternal mortality chart: Australia vs Bulgaria

The maternal mortality rate, which is the probability of dying during childbirth or within 42 days of pregnancy termination, is 2 deaths per 100,000 live births in Australia, compared to 6 deaths in Bulgaria.

Table

Year	Maternal mortality per 100K births
	Australia	Bulgaria
1985	9	26
1986	8	25
1987	9	25
1988	9	26
1989	9	25
1990	9	27
1991	9	25
1992	9	25
1993	9	23
1994	9	25
1995	9	23
1996	8	22
1997	8	23
1998	7	20
1999	7	20
2000	7	19
2001	6	17
2002	6	15
2003	5	14
2004	5	14
2005	5	13
2006	5	12
2007	5	11
2008	5	10
2009	5	9
2010	5	9
2011	6	8
2012	6	7
2013	6	7
2014	6	7
2015	6	7
2016	6	7
2017	6	7
2018	5	7
2019	5	6
2020	5	9
2021	4	9
2022	4	10
2023	2	6

Under-five mortality rates

The chance that a newborn baby will die before reaching age five is 0.37% in Australia and 0.61% in Bulgaria. Below is the historical data on under-five mortality rates.

Table

Year	Mortality rate before reaching 5 years of age, per 1,000 live births
	Australia	Bulgaria
1960	2.49%	5.47%
1961	2.43%	4.89%
1962	2.37%	4.43%
1963	2.32%	4.08%
1964	2.27%	3.86%
1965	2.24%	3.75%
1966	2.21%	3.7%
1967	2.2%	3.64%
1968	2.19%	3.54%
1969	2.18%	3.4%
1970	2.15%	3.25%
1971	2.1%	3.11%
1972	2.03%	3.01%
1973	1.94%	2.95%
1974	1.84%	2.91%
1975	1.73%	2.86%
1976	1.62%	2.8%
1977	1.52%	2.72%
1978	1.44%	2.6%
1979	1.36%	2.49%
1980	1.3%	2.38%
1981	1.26%	2.3%
1982	1.22%	2.22%
1983	1.19%	2.15%
1984	1.16%	2.07%
1985	1.13%	1.97%
1986	1.1%	1.87%
1987	1.06%	1.8%
1988	1.02%	1.78%
1989	0.97%	1.79%
1990	0.92%	1.83%
1991	0.87%	1.89%
1992	0.82%	1.92%
1993	0.77%	1.92%
1994	0.73%	1.91%
1995	0.7%	1.92%
1996	0.68%	1.94%
1997	0.66%	1.93%
1998	0.64%	1.89%
1999	0.63%	1.82%
2000	0.62%	1.75%
2001	0.61%	1.68%
2002	0.6%	1.6%
2003	0.59%	1.51%
2004	0.58%	1.42%
2005	0.57%	1.33%
2006	0.56%	1.24%
2007	0.54%	1.18%
2008	0.52%	1.14%
2009	0.5%	1.12%
2010	0.48%	1.08%
2011	0.45%	1.04%
2012	0.43%	0.99%
2013	0.41%	0.93%
2014	0.4%	0.87%
2015	0.39%	0.82%
2016	0.38%	0.77%
2017	0.38%	0.73%
2018	0.38%	0.7%
2019	0.38%	0.67%
2020	0.38%	0.65%
2021	0.37%	0.63%
2022	0.37%	0.62%
2023	0.37%	0.61%